78100380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25523}}^1$

素因数の和:25555

約数の個数: 72

約数和(自身を含む): 250849872

約数和(自身を除く): 172749492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 25523, 51046, 76569, 102092, 127615, 153138, 229707, 255230, 306276, 382845, 433891, 459414, 510460, 765690, 867782, 918828, 1148535, 1301673, 1531380, 1735564, 2169455, 2297070, 2603346, 3905019, 4338910, 4594140, 5206692, 6508365, 7810038, 8677820, 13016730, 15620076, 19525095, 26033460, 39050190, 78100380]

約数ペア:

[(1, 78100380), (2, 39050190), (3, 26033460), (4, 19525095), (5, 15620076), (6, 13016730), (9, 8677820), (10, 7810038), (12, 6508365), (15, 5206692), (17, 4594140), (18, 4338910), (20, 3905019), (30, 2603346), (34, 2297070), (36, 2169455), (45, 1735564), (51, 1531380), (60, 1301673), (68, 1148535), (85, 918828), (90, 867782), (102, 765690), (153, 510460), (170, 459414), (180, 433891), (204, 382845), (255, 306276), (306, 255230), (340, 229707), (510, 153138), (612, 127615), (765, 102092), (1020, 76569), (1530, 51046), (3060, 25523)]